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It could be leaf blight.
Diseased leaves are found to be removed and burned in time; At the beginning of the disease, 50% carbendazim 800 times, 70% chlorothalonil 800 times or 75% methyl tobuzine 800 times were sprayed every 10-15 days. 2-3 times in a row can control the disease.
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One is caused by too much fertilizer in the soil, many flower friends, every once in a while will fertilize the pot, happy to do it, but do not know, after a winter of rest, the nutrients needed by the fortune tree are actually not. In addition, because it is a small potted plant, it is easy to cause the leaves of the fortune tree to dry up or the leaves to turn black. Cause the leaf tip to dry out.
Second, caused by sunlight, the fortune tree is a shade-loving plant. There is not much need for light. Placed directly in the house, well ventilated and with reflected light. It's good to survive. If it is exposed to the sun, it is easy to cause the liquid surface to turn yellow at night.
So, reduce watering at this time. Or change the soil, change some pastoral soil, and then put it in a cool place, remember in the process of transplanting. Be sure to pour less water.
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This situation should be a normal reaction to dry indoor air or low temperature frost damage. The fortune tree is a perennial tropical evergreen shrub, which likes warm, moist, sunny or slightly shady environment, and grows at a suitable temperature of 20 30. In early winter, when the room temperature does not reach 25, or the potting soil is humid, the leaves will droop.
It can be placed in a warm sunny place, stop fertilizing, and in case of drought, change the watering to warm water foliar spray to gradually recover.
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The leaves of the fortune tree continue to turn yellow, most of them are caused by overwatering, you can directly remove those diseased leaves, and then before each watering, wait for the potting soil to dry completely for a few days before watering thoroughly. If the fortune tree is fertilized indiscriminately, it is easy to cause yellow leaves, and the fortune tree has little demand for fertilizer, generally in spring and summer, and it is good to give a special liquid fertilizer once a month or two.
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1. Moisture discomfort. The fortune tree prefers a humid environment, but it is also more afraid of waterlogging. If you water too often or too much water, causing water to accumulate in the potting soil, it may become waterlogged, and the root system will rot, nutrients will not be transferred, and the leaves will fall.
However, if the plant is not watered thoroughly and does not meet the water needs of the plant in time, its roots will also be due to lack of water, resulting in leaf aging and falling off.
2. Improper fertilization. If the fertilizer is too much or the fertilizer is too concentrated, it may burn the root system and cause leaf loss. If it is not fertilized in time to provide it with enough nutrients, the plant will also fall off because the nutrients in the potting soil are depleted and not replenished in time.
3. The temperature is uncomfortable. The fortune tree is suitable for growing in a relatively warm environment, and if it is in a high or low temperature environment for a long time, it will cause it to lose its leaves.
4. The phenomenon of leaf loss in the fortune tree may also be caused by leaf spot disease. These diseases usually cause local lesions in the leaves, which in turn cause large areas of leaves to spot and fall off.
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1. Increase the temperature.
Reason: The temperature of the breeding fortune tree is relatively low, it will be frostbitten, and the leaves will fall after being frostbitten. In general, freezing damage occurs when the temperature is below 10.
Solution: Move it to a warmer place for maintenance, or adjust the temperature appropriately to accompany the wild, and keep the breeding temperature at 10 or more. You can also put a plastic bag on it, which can also play a role in keeping out the cold.
2. Prevention and control of pests and diseases.
Reason: During the breeding period, it will be attacked by diseases and insects due to improper maintenance methods, so the leaves of the plant may fall.
Solution: If it is caused by pests and diseases, it is necessary to clean up the fallen diseased leaves in time, and check what kind of pests and diseases are causing it, and then spray the corresponding drug prevention and control.
3. Improve the environment.
Reason: In the process of maintenance, the leaves fall off when the plant is exposed to no sunlight for a long time and is hot and unventilated. Also, some leaves fall off when touched with water.
Solution: The maintenance environment should be improved, so that it can properly see the sunlight during the growth process, and open more windows to ensure adequate ventilation of the environment.
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1. Incorrect light: Although it prefers light, if it is directly exposed to the harsh light in summer, it is extremely easy to cause the leaves to turn yellow and fall off. Prolonged absence of sunlight can also lead to this phenomenon.
2. Incorrect moisture: the application of water is very critical, too much water will cause the potting soil to be too wet for a long time, and the roots will rot, causing yellowing and falling off. If water is not added for a long time, the plant will be dry and dehydrated, and the leaves will wilt and droop, and then fall off.
3. Incorrect fertilization: If no nutrients are applied for a long time, the nutrients in the soil are missing, resulting in the branches and leaves becoming weaker and the leaves thinning and falling. If you apply too much fertilizer, the old leaves will become dry and yellow, and they will fall off.
The fortune tree is native to Central and South America, prefers warm, moist, sunny or slightly shady environments, and the suitable temperature for growth is 18 30. The temperature in winter should reach more than 5, otherwise it is easy to freeze damage. In the middle of winter, as long as the temperature remains at 18 >>>More
The yellowing of the leaves of the fortune tree is most likely due to overwatering or over-fertilization. >>>More
Fortune Tree. The yellowing of the leaves and the loss of the leaves are mostly caused by the incorrect way of the two leaves. It is best to water and fertilize more, and spray some insect repellent agents in moderation, so that it can grow better.
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1.Improper watering, fortune tree nature like warm and humid climate environment, potting soil is suitable for moist, but indoor cultivation is generally not dry and watering, watering is watered thoroughly. >>>More